This extended feature article from Wired traces the story, from early childhood to today, of the person who as a young man was deeply involved in the creation of the very nasty Kronos banking malware programme—and then, changing from blackhat to whitehat, went on to save the world from what is perhaps the worst cyberattack yet seen: the infamous Wannacry ransomware.
Based on more than 12 hours of interviews, it provides a fascinating insight into a complex yet very interesting personality. It will take a couple of hours out of your time. But it is well worth the read.